Ejemplo n.º 1
0
		public void SearchWords(string substr, ref List<Pair<char, int>> ret)
		{
			ret.Clear();
			if (substr.Length > 0)
			{
				char c = char.ToLower(substr[0]);
				int start = c - 'a';
				for (int i = 0; i < words[start].Count; ++i)
				{
					if (words[start][i].word.StartsWith(substr))
					{
						ret.Add(Pairs.MakePair(c, i));
					}
				}
			}
			if (ret.Count > 0)
			{
				ret.OrderBy(x => x.Right);
			}
		}
Ejemplo n.º 2
0
        static Pair <WordBlock, int> PlaceVertical(ref List <WordBlock> data, Alphaword word, int i, int width, int height)
        {
            List <Pair <WordBlock, int> > results = new List <Pair <WordBlock, int> >();

            for (int l = 0; l < data[i].Length; ++l)
            {
                Coordinates cell = data[i][l];
                for (int j = 0; j < word.Length; ++j)
                {
                    if (word.word[j] != data[i][cell])
                    {
                        // cant overlap
                        continue;
                    }
                    // check if vertical word can fit in grid.
                    Coordinates v_start    = new Coordinates(cell.x, cell.y - j);
                    Coordinates v_end      = new Coordinates(cell.x, cell.y + (word.Length - j - 1));
                    bool        v_front_ok = !(v_start.y < 0);
                    bool        v_back_ok  = !(v_end.y >= height);
                    if (!v_front_ok)
                    {
                        // because word is pushed "upwards" to test whole word,
                        // if word leaves top of board then it will definitely be
                        // invalid for the rest.
                        break;
                    }
                    else if (!v_back_ok)
                    {
                        // no space below, try next new word letter.
                        continue;
                    }
                    else
                    {
                        int  score   = 1;
                        bool placeOK = true;
                        // try placement. check if all other words overlap properly, if any overlap occurs.
                        for (int w = 0; w < data.Count && placeOK; ++w)
                        {
                            if (w == i)
                            {
                                continue;
                            }
                            // check if word clashes with other word
                            for (int y = 0; y < word.Length; ++y)
                            {
                                int         x     = cell.x;
                                Coordinates pos   = new Coordinates(x, v_start.y + y);
                                char        other = data[w][pos];
                                if (other == Cell.Empty)
                                {
                                    // not clashing
                                    Coordinates[] dir = new Coordinates[]
                                    {
                                        new Coordinates(pos.x + 1, pos.y),
                                        new Coordinates(pos.x - 1, pos.y),
                                        new Coordinates(pos.x, pos.y + 1),
                                        new Coordinates(pos.x, pos.y - 1)
                                    };
                                    bool near = false;
                                    // cannot be right beside the word.
                                    for (int d = 0; d < dir.Length && !near; ++d)
                                    {
                                        char test = data[w][dir[d]];
                                        if (test != Cell.Empty)
                                        {
                                            near = true;
                                        }
                                    }
                                    if (near)
                                    {
                                        placeOK = false;
                                    }
                                    continue;
                                }
                                else if (other == word.word[y] && data[w].IsHorizontal)
                                {
                                    // overlap same character
                                    break;
                                }
                                else
                                {
                                    // fail
                                    placeOK = false;
                                }
                            }
                        }
                        if (placeOK)
                        {
                            // add word block and score.
                            results.Add(Pairs.MakePair(new WordBlock(word, v_start, v_end), score));
                        }
                    }
                }
            }
            if (results.Count == 0)
            {
                return(null);
            }
            results.Sort((x, y) => x.Right.CompareTo(y.Right));
            return(results[results.Count - 1]);
        }
Ejemplo n.º 3
0
        static Pair <List <WordBlock>, Coordinates> GenerateWordBlocksOnly(List <Alphaword> words, out int width, out int height, int max_tries = 1000)
        {
            if (words.Count < 2)
            {
                Debug.Log("no words!");
                width  = 0;
                height = 0;
                return(null);
            }
            if (words.Count > 10)
            {
                words.RemoveRange(10, words.Count - 10);
            }

            List <Alphaword> sorted_words = CopyWordList(words);

            SortWordListDescending(ref sorted_words);
            int base_width  = width = sorted_words[0].Length + sorted_words[sorted_words.Count - 1].Length;
            int base_height = height = width;
            int base_dim    = base_width * base_height;
            int best_score  = 0;
            Pair <List <WordBlock>, Coordinates> best_gen_words = null;
            var rng = new System.Random();

            for (int i = 0; i < max_tries; ++i)
            {
                var result = sorted_words.OrderBy(x => rng.Next());
                sorted_words = new List <Alphaword>(result);
                List <WordBlock> gen_words = new List <WordBlock>();
                int  curr_score            = 0;
                bool curr_tryOK            = true;
                int  currWidth             = 0;
                int  currHeight            = 0;
                int  MinWidth  = int.MaxValue;
                int  MinHeight = int.MaxValue;
                for (int curr_word = 0; curr_word < sorted_words.Count && curr_tryOK; ++curr_word)
                {
                    if (gen_words.Count == 0)
                    {
                        // place first word
                        int         dx          = Random.Range(0, 2);
                        int         dy          = (dx == 0) ? 1 : 0;
                        int         range_x     = width - sorted_words[curr_word].Length;
                        int         range_y     = height - sorted_words[curr_word].Length;
                        int         start_x     = Random.Range(0, range_x);
                        int         start_y     = Random.Range(0, range_y);
                        Coordinates first_start = new Coordinates(start_x, start_y);
                        Coordinates first_end   = new Coordinates(first_start.x + (sorted_words[curr_word].Length - 1) * dx, (first_start.y + sorted_words[curr_word].Length - 1) * dy);
                        currWidth  = first_end.x + 1;
                        currHeight = first_end.y + 1;
                        MinWidth   = first_start.x;
                        MinHeight  = first_start.y;
                        gen_words.Add(new WordBlock(sorted_words[curr_word], first_start, first_end));
                    }
                    else
                    {
                        // place every other word
                        // test overlap
                        var curr_result = PlaceWord(ref gen_words, sorted_words[curr_word], width, height);
                        if (curr_result != null)
                        {
                            gen_words.Add(curr_result.Left);
                            currWidth   = Mathf.Max(currWidth, curr_result.Left.End.x + 1);
                            currHeight  = Mathf.Max(currHeight, curr_result.Left.End.y + 1);
                            MinWidth    = Mathf.Min(MinWidth, curr_result.Left.Start.x);
                            MinHeight   = Mathf.Min(MinHeight, curr_result.Left.Start.y);
                            curr_score += curr_result.Right;
                        }
                        else
                        {
                            curr_tryOK = false;
                        }
                    }
                }
                if (curr_tryOK)
                {
                    // offset to zero.
                    for (int curr = 0; curr < gen_words.Count; ++curr)
                    {
                        Coordinates curr_start = gen_words[curr].Start;
                        Coordinates curr_end   = gen_words[curr].End;
                        gen_words[curr].Place(new Coordinates(curr_start.x - MinWidth, curr_start.y - MinHeight), new Coordinates(curr_end.x - MinWidth, curr_end.y - MinHeight));
                    }
                    currWidth  -= MinWidth;
                    currHeight -= MinHeight;
                    int curr_dim = currWidth * currHeight;
                    // the smaller the board, the better the score.
                    curr_score += (base_dim - curr_dim);
                    if (curr_score > best_score)
                    {
                        best_gen_words = Pairs.MakePair(gen_words, new Coordinates(currWidth, currHeight));
                        best_score     = curr_score;
                    }
                }
            }
            // setup board using gen_words and return
            return(best_gen_words);
        }